head office : 1001, Biz Center, 124, Sagimakgol-ro, Jungwon-gu, Seongnam-si, Gyeonggi-do(SK ⓝ Techno Park, Sangdaewon-dong)        
Tel : +82-31-776-0682    Fax : +82-31-776-0688
Technology Laboratory : 1002, Biz Center, 124, Sagimakgol-ro, Jungwon-gu, Seongnam-si, Gyeonggi-do(SK ⓝ Techno Park, Sangdaewon-dong)
Chungju Research Center : 246-3 Dongmak-ri, Sotae-myeon, Chungju-si, Chungcheongbuk-do / Tel : +82-31-857-0693